1638943440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:901

約数の個数: 160

約数和(自身を含む): 5195084160

約数和(自身を除く): 3556140720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 139, 146, 219, 240, 278, 292, 365, 417, 438, 556, 584, 673, 695, 730, 834, 876, 1095, 1112, 1168, 1346, 1390, 1460, 1668, 1752, 2019, 2085, 2190, 2224, 2692, 2780, 2920, 3336, 3365, 3504, 4038, 4170, 4380, 5384, 5560, 5840, 6672, 6730, 8076, 8340, 8760, 10095, 10147, 10768, 11120, 13460, 16152, 16680, 17520, 20190, 20294, 26920, 30441, 32304, 33360, 40380, 40588, 49129, 50735, 53840, 60882, 80760, 81176, 93547, 98258, 101470, 121764, 147387, 152205, 161520, 162352, 187094, 196516, 202940, 243528, 245645, 280641, 294774, 304410, 374188, 393032, 405880, 467735, 487056, 491290, 561282, 589548, 608820, 736935, 748376, 786064, 811760, 935470, 982580, 1122564, 1179096, 1217640, 1403205, 1473870, 1496752, 1870940, 1965160, 2245128, 2358192, 2435280, 2806410, 2947740, 3741880, 3930320, 4490256, 5612820, 5895480, 6828931, 7483760, 11225640, 11790960, 13657862, 20486793, 22451280, 27315724, 34144655, 40973586, 54631448, 68289310, 81947172, 102433965, 109262896, 136578620, 163894344, 204867930, 273157240, 327788688, 409735860, 546314480, 819471720, 1638943440]

約数ペア:

[(1, 1638943440), (2, 819471720), (3, 546314480), (4, 409735860), (5, 327788688), (6, 273157240), (8, 204867930), (10, 163894344), (12, 136578620), (15, 109262896), (16, 102433965), (20, 81947172), (24, 68289310), (30, 54631448), (40, 40973586), (48, 34144655), (60, 27315724), (73, 22451280), (80, 20486793), (120, 13657862), (139, 11790960), (146, 11225640), (219, 7483760), (240, 6828931), (278, 5895480), (292, 5612820), (365, 4490256), (417, 3930320), (438, 3741880), (556, 2947740), (584, 2806410), (673, 2435280), (695, 2358192), (730, 2245128), (834, 1965160), (876, 1870940), (1095, 1496752), (1112, 1473870), (1168, 1403205), (1346, 1217640), (1390, 1179096), (1460, 1122564), (1668, 982580), (1752, 935470), (2019, 811760), (2085, 786064), (2190, 748376), (2224, 736935), (2692, 608820), (2780, 589548), (2920, 561282), (3336, 491290), (3365, 487056), (3504, 467735), (4038, 405880), (4170, 393032), (4380, 374188), (5384, 304410), (5560, 294774), (5840, 280641), (6672, 245645), (6730, 243528), (8076, 202940), (8340, 196516), (8760, 187094), (10095, 162352), (10147, 161520), (10768, 152205), (11120, 147387), (13460, 121764), (16152, 101470), (16680, 98258), (17520, 93547), (20190, 81176), (20294, 80760), (26920, 60882), (30441, 53840), (32304, 50735), (33360, 49129), (40380, 40588)]